Some molecules act as both hormones and neurotransmitters. For example, norepinephrine is released into the blood by the adrenal glands as a hormone, but it also released as a neurotransmitter by sympathetic nerve endings.While there are similarities between these two chemical messengers, there are some obvious differences.or example, norepinephrine is released into the blood by the adrenal glands as a hormone, but it also released as a neurotransmitter by sympathetic nerve endings. While there are similarities between these two chemical messengers, there are some obvious differences.
What is the largest US bill printed? For public use in the US, $100 is currently the highest-value bill  issued.    At one time $500, $1,000, $5,000 and $10,000 were also printed.  Printing of all higherâ¦ denomination bills was suspended in 1945 due  to low demand.
The largest denomination of US currency ever made was the 100,000 dollar bill. Currently, the largest denomination printed is the 100 dollar bill. Many novelty shops sell fake 1,000,000 dollar bills but these are valuable only as jokes.he million dollar bills are bogus, printed for fun. I think you  can get one with any of several different presidents pictured on  it.    In fact, the highest value â¦ bill ever printed for general use was  only $10,000.